2I07
Human Complement Component C3b
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.8 | 303 | PEG-MME 2000, sodium acetate, Bis-Tris propane, taurine, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 303K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.33 | 63.12 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 123.91 | α = 90 |
b = 128.537 | β = 90 |
c = 147.034 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2006-02-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | 0.9395 | ESRF | ID14-4 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 4 | 45 | 99.8 | 0.149 | 10.1 | 5.3 | 20515 | 20474 | 100 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 4 | 4.22 | 100 | 0.713 | 2 | 5.5 | 2911 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2A73, 2A74, 1C3D | 4 | 45 | 20412 | 20474 | 1045 | 99.7 | 0.275 | 0.27524 | 0.27259 | 0.32293 | RANDOM | 174.051 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
1.29 | 14.01 | -15.31 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 27.06 |
r_dihedral_angle_3_deg | 14.389 |
r_dihedral_angle_4_deg | 12.092 |
r_dihedral_angle_1_deg | 4.378 |
r_angle_refined_deg | 0.74 |
r_nbtor_refined | 0.328 |
r_symmetry_hbond_refined | 0.259 |
r_symmetry_vdw_refined | 0.253 |
r_nbd_refined | 0.233 |
r_xyhbond_nbd_refined | 0.221 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 12104 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 53 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DNA | data collection |
MOSFLM | data reduction |
CCP4 | data scaling |
PHASER | phasing |